Does your hot drink getting cool or cold drink getting warm while you drink it slowly? USB Can Cooler And Warmer can help you to solve such problem. This cool USB gadget combining with both chilling and warming technology, you can keep your beverage chilled or warmed and stay at your computer for longer time. For other cooler or warmer, we have USB Mini Fridge, USB Chiller And Warmer, USB Cafe Pad! Features: Cool or warm your beverage Keep your beverage cool or warm Easy and practical to be used home or in office Cool down 18-20 degree ambient temperature Heat up +65 degree by set point thermostat USB powered, apply to all PC and laptop Plug and Play Switch button for chill or warm Built-in fan External power source is NOT required Dimension: 14x11x13cm Weight: 460g Package Contents: USB Can Cooler And Warmer USB Cable